(b) Whatis the probabilitythat a customerhas to wait morethan minutes?
- The averageheightof an adultfemalein Los Angelesis inches( feet inches)with a standard
deviationof inches.
(a) Whatis the probabilitythat a female’s heightis less than inches?
(b) Whatis the probabilitythat a female’s heightis between and inches?
(c) Whatis the probabilitythat a female’s heightis morethan feet?
(d) Whatis the probabilitythat a female’s heightis excatly feet?
Answers
- a.
b.
Yes. To explainwhy, ask how and are mathematicallyrelated.
a. The probabilitythat a randomlychosenlight bulb will havea lifetimebetween and hours.
b. The probabilitythat a randomlychosenlight bulb will havea lifetimeof at least hours.
- a.
b.
- a.
b.
c.
d. almost